1 // SPDX-License-Identifier: BSD-3-Clause-Clear
2 /*
3 * Copyright (c) 2019-2021 The Linux Foundation. All rights reserved.
4 * Copyright (c) Qualcomm Technologies, Inc. and/or its subsidiaries.
5 */
6
7 #include "../core.h"
8 #include "../debug.h"
9 #include "../dp_tx.h"
10 #include "../peer.h"
11 #include "dp_tx.h"
12 #include "hal_desc.h"
13 #include "hal.h"
14 #include "hal_tx.h"
15
16 /*
17 * Convert an encrypted EAPOL frame from native-WiFi format to
18 * the layout expected by the firmware RAW encrypt pipeline:
19 *
20 * [802.11 hdr][IV (zeroed)][LLC/SNAP][EAPOL payload][ICV (zeroed)]
21 *
22 * mac80211 delivers the frame as [802.11 hdr][LLC/SNAP][EAPOL payload].
23 * The MAC header length is read from the unmodified skb and is safe because
24 * ieee80211_hdrlen() only inspects the 2-byte frame_control field.
25 * pskb_expand_head() is used to grow both head (for the IV) and tail
26 * (for the ICV) in a single call and allocation.
27 */
28 static int
ath12k_wifi7_dp_tx_encap_eapol(struct sk_buff * skb,struct hal_tx_info * ti,struct ath12k_skb_cb * skb_cb)29 ath12k_wifi7_dp_tx_encap_eapol(struct sk_buff *skb,
30 struct hal_tx_info *ti,
31 struct ath12k_skb_cb *skb_cb)
32 {
33 struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
34 enum hal_encrypt_type enc_type =
35 ath12k_dp_tx_get_encrypt_type(skb_cb->cipher);
36 u16 mac_hdr_len = ieee80211_hdrlen(hdr->frame_control);
37 u8 iv_len = ath12k_dp_tx_crypto_iv_len(enc_type);
38 u8 icv_len = ath12k_dp_tx_crypto_icv_len(enc_type);
39
40 if (pskb_expand_head(skb, iv_len, icv_len, GFP_ATOMIC))
41 return -ENOMEM;
42
43 if (iv_len) {
44 skb_push(skb, iv_len);
45 memmove(skb->data, skb->data + iv_len, mac_hdr_len);
46 memset(skb->data + mac_hdr_len, 0, iv_len);
47 }
48
49 if (icv_len)
50 memset(skb_put(skb, icv_len), 0, icv_len);
51
52 ti->flags0 |= u32_encode_bits(1, HAL_TCL_DATA_CMD_INFO2_TO_FW);
53 ti->encap_type = HAL_TCL_ENCAP_TYPE_RAW;
54 ti->encrypt_type = enc_type;
55
56 return 0;
57 }
58
59 static void
ath12k_wifi7_hal_tx_cmd_ext_desc_setup(struct ath12k_base * ab,struct hal_tx_msdu_ext_desc * tcl_ext_cmd,struct hal_tx_info * ti)60 ath12k_wifi7_hal_tx_cmd_ext_desc_setup(struct ath12k_base *ab,
61 struct hal_tx_msdu_ext_desc *tcl_ext_cmd,
62 struct hal_tx_info *ti)
63 {
64 tcl_ext_cmd->info0 = le32_encode_bits(ti->paddr,
65 HAL_TX_MSDU_EXT_INFO0_BUF_PTR_LO);
66 tcl_ext_cmd->info1 = le32_encode_bits(0x0,
67 HAL_TX_MSDU_EXT_INFO1_BUF_PTR_HI) |
68 le32_encode_bits(ti->data_len,
69 HAL_TX_MSDU_EXT_INFO1_BUF_LEN);
70
71 tcl_ext_cmd->info1 |= le32_encode_bits(1, HAL_TX_MSDU_EXT_INFO1_EXTN_OVERRIDE) |
72 le32_encode_bits(ti->encap_type,
73 HAL_TX_MSDU_EXT_INFO1_ENCAP_TYPE) |
74 le32_encode_bits(ti->encrypt_type,
75 HAL_TX_MSDU_EXT_INFO1_ENCRYPT_TYPE);
76 }
77
78 #define HTT_META_DATA_ALIGNMENT 0x8
79
80 /* Preparing HTT Metadata when utilized with ext MSDU */
ath12k_wifi7_dp_prepare_htt_metadata(struct sk_buff * skb)81 static int ath12k_wifi7_dp_prepare_htt_metadata(struct sk_buff *skb)
82 {
83 struct hal_tx_msdu_metadata *desc_ext;
84 u8 htt_desc_size;
85 /* Size rounded of multiple of 8 bytes */
86 u8 htt_desc_size_aligned;
87
88 htt_desc_size = sizeof(struct hal_tx_msdu_metadata);
89 htt_desc_size_aligned = ALIGN(htt_desc_size, HTT_META_DATA_ALIGNMENT);
90
91 desc_ext = ath12k_dp_metadata_align_skb(skb, htt_desc_size_aligned);
92 if (!desc_ext)
93 return -ENOMEM;
94
95 desc_ext->info0 = le32_encode_bits(1, HAL_TX_MSDU_METADATA_INFO0_ENCRYPT_FLAG) |
96 le32_encode_bits(0, HAL_TX_MSDU_METADATA_INFO0_ENCRYPT_TYPE) |
97 le32_encode_bits(1,
98 HAL_TX_MSDU_METADATA_INFO0_HOST_TX_DESC_POOL);
99
100 return 0;
101 }
102
103 #define ATH12K_AST_HASH_MASK 0xF
104
105 /* TODO: Remove the export once this file is built with wifi7 ko */
ath12k_wifi7_dp_tx(struct ath12k_pdev_dp * dp_pdev,struct ath12k_link_vif * arvif,struct ath12k_link_sta * arsta,struct sk_buff * skb,bool gsn_valid,int mcbc_gsn,bool is_mcast)106 int ath12k_wifi7_dp_tx(struct ath12k_pdev_dp *dp_pdev, struct ath12k_link_vif *arvif,
107 struct ath12k_link_sta *arsta, struct sk_buff *skb,
108 bool gsn_valid, int mcbc_gsn, bool is_mcast)
109 {
110 struct ath12k_dp *dp = dp_pdev->dp;
111 struct ath12k_hal *hal = dp->hal;
112 struct ath12k_base *ab = dp->ab;
113 struct hal_tx_info ti = {};
114 struct ath12k_tx_desc_info *tx_desc;
115 struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
116 struct ath12k_skb_cb *skb_cb = ATH12K_SKB_CB(skb);
117 struct hal_tcl_data_cmd *hal_tcl_desc;
118 struct hal_tx_msdu_ext_desc *msg;
119 struct sk_buff *skb_ext_desc = NULL;
120 struct hal_srng *tcl_ring;
121 struct ieee80211_hdr *hdr = (void *)skb->data;
122 struct ath12k_vif *ahvif = arvif->ahvif;
123 struct ath12k_dp_vif *dp_vif = &ahvif->dp_vif;
124 struct ath12k_dp_link_vif *dp_link_vif;
125 struct dp_tx_ring *tx_ring;
126 struct ethhdr *eth = NULL;
127 u8 pool_id;
128 u8 hal_ring_id;
129 int ret;
130 u8 ring_selector, ring_map = 0;
131 bool tcl_ring_retry;
132 bool msdu_ext_desc = false;
133 bool add_htt_metadata = false;
134 u32 iova_mask = dp->hw_params->iova_mask;
135 bool is_diff_encap = false;
136 bool is_null_frame = false;
137 bool eapol_encap_done = false;
138
139 if (test_bit(ATH12K_FLAG_CRASH_FLUSH, &ab->dev_flags))
140 return -ESHUTDOWN;
141
142 if (!(info->flags & IEEE80211_TX_CTL_HW_80211_ENCAP) &&
143 !ieee80211_is_data(hdr->frame_control))
144 return -EOPNOTSUPP;
145
146 if (skb_cb->flags & ATH12K_SKB_HW_80211_ENCAP)
147 eth = (struct ethhdr *)skb->data;
148
149 pool_id = skb_get_queue_mapping(skb) & (ATH12K_HW_MAX_QUEUES - 1);
150
151 /* Let the default ring selection be based on current processor
152 * number, where one of the 3 tcl rings are selected based on
153 * the smp_processor_id(). In case that ring
154 * is full/busy, we resort to other available rings.
155 * If all rings are full, we drop the packet.
156 * TODO: Add throttling logic when all rings are full
157 */
158 ring_selector = dp->hw_params->hw_ops->get_ring_selector(skb);
159
160 tcl_ring_sel:
161 tcl_ring_retry = false;
162 ti.ring_id = ring_selector % dp->hw_params->max_tx_ring;
163
164 ring_map |= BIT(ti.ring_id);
165 ti.rbm_id = hal->tcl_to_wbm_rbm_map[ti.ring_id].rbm_id;
166
167 tx_ring = &dp->tx_ring[ti.ring_id];
168
169 tx_desc = ath12k_dp_tx_assign_buffer(dp, pool_id);
170 if (!tx_desc)
171 return -ENOMEM;
172
173 dp_link_vif = ath12k_dp_vif_to_dp_link_vif(&ahvif->dp_vif, arvif->link_id);
174
175 ti.bank_id = dp_link_vif->bank_id;
176 ti.meta_data_flags = dp_link_vif->tcl_metadata;
177 ti.bss_ast_hash = dp_link_vif->ast_hash;
178 ti.bss_ast_idx = dp_link_vif->ast_idx;
179
180 if (eth && is_multicast_ether_addr(eth->h_dest) && arsta) {
181 ti.meta_data_flags = arsta->tcl_metadata;
182 ti.bss_ast_hash = arsta->ast_hash & ATH12K_AST_HASH_MASK;
183 ti.bss_ast_idx = arsta->ast_idx;
184 ti.lookup_override = true;
185 } else if (!eth && ieee80211_has_a4(hdr->frame_control) &&
186 is_multicast_ether_addr(hdr->addr3) && arsta) {
187 ti.meta_data_flags = arsta->tcl_metadata;
188 ti.flags0 |= u32_encode_bits(1, HAL_TCL_DATA_CMD_INFO2_TO_FW);
189 }
190
191 if (dp_vif->tx_encap_type == HAL_TCL_ENCAP_TYPE_RAW &&
192 test_bit(ATH12K_FLAG_HW_CRYPTO_DISABLED, &ab->dev_flags)) {
193 if (skb_cb->flags & ATH12K_SKB_CIPHER_SET) {
194 ti.encrypt_type =
195 ath12k_dp_tx_get_encrypt_type(skb_cb->cipher);
196
197 if (ieee80211_has_protected(hdr->frame_control))
198 skb_put(skb, IEEE80211_CCMP_MIC_LEN);
199 } else {
200 ti.encrypt_type = HAL_ENCRYPT_TYPE_OPEN;
201 }
202
203 msdu_ext_desc = true;
204 }
205
206 if (gsn_valid && !ti.lookup_override) {
207 /* Reset and Initialize meta_data_flags with Global Sequence
208 * Number (GSN) info.
209 */
210 ti.meta_data_flags =
211 u32_encode_bits(HTT_TCL_META_DATA_TYPE_GLOBAL_SEQ_NUM,
212 HTT_TCL_META_DATA_TYPE) |
213 u32_encode_bits(mcbc_gsn, HTT_TCL_META_DATA_GLOBAL_SEQ_NUM);
214
215 /*
216 * Since NAWDS enabled for this vdev firmware expects
217 * this flag to be set for sending 3-address multicast frame.
218 */
219 ti.meta_data_flags |=
220 u32_encode_bits(arvif->nawds_enabled,
221 HTT_TCL_META_DATA_GLOBAL_SEQ_HOST_INSPECTED);
222 }
223
224 ti.encap_type = ath12k_dp_tx_get_encap_type(ab, skb);
225 ti.addr_search_flags = dp_link_vif->hal_addr_search_flags;
226 ti.search_type = dp_link_vif->search_type;
227 ti.type = HAL_TCL_DESC_TYPE_BUFFER;
228 ti.pkt_offset = 0;
229 ti.lmac_id = dp_link_vif->lmac_id;
230
231 ti.vdev_id = dp_link_vif->vdev_id;
232
233 if (gsn_valid && !ti.lookup_override)
234 ti.vdev_id += HTT_TX_MLO_MCAST_HOST_REINJECT_BASE_VDEV_ID;
235 else if (arvif->nawds_enabled && is_mcast && !ti.lookup_override)
236 ti.meta_data_flags |=
237 u32_encode_bits(1, HTT_TCL_META_DATA_HOST_INSPECTED_MISSION);
238
239 ti.dscp_tid_tbl_idx = 0;
240
241 if (skb->ip_summed == CHECKSUM_PARTIAL &&
242 ti.encap_type != HAL_TCL_ENCAP_TYPE_RAW) {
243 ti.flags0 |= u32_encode_bits(1, HAL_TCL_DATA_CMD_INFO2_IP4_CKSUM_EN) |
244 u32_encode_bits(1, HAL_TCL_DATA_CMD_INFO2_UDP4_CKSUM_EN) |
245 u32_encode_bits(1, HAL_TCL_DATA_CMD_INFO2_UDP6_CKSUM_EN) |
246 u32_encode_bits(1, HAL_TCL_DATA_CMD_INFO2_TCP4_CKSUM_EN) |
247 u32_encode_bits(1, HAL_TCL_DATA_CMD_INFO2_TCP6_CKSUM_EN);
248 }
249
250 ti.flags1 |= u32_encode_bits(1, HAL_TCL_DATA_CMD_INFO3_TID_OVERWRITE);
251
252 ti.tid = ath12k_dp_tx_get_tid(skb);
253
254 switch (ti.encap_type) {
255 case HAL_TCL_ENCAP_TYPE_NATIVE_WIFI:
256 is_null_frame = ieee80211_is_nullfunc(hdr->frame_control);
257 if (ahvif->vif->offload_flags & IEEE80211_OFFLOAD_ENCAP_ENABLED) {
258 if ((skb->protocol == cpu_to_be16(ETH_P_PAE) &&
259 !(skb_cb->flags & ATH12K_SKB_CIPHER_SET)) || is_null_frame)
260 is_diff_encap = true;
261
262 if (skb->protocol == cpu_to_be16(ETH_P_PAE) &&
263 (skb_cb->flags & ATH12K_SKB_CIPHER_SET)) {
264 if (!eapol_encap_done) {
265 ret = ath12k_wifi7_dp_tx_encap_eapol(skb, &ti,
266 skb_cb);
267 if (ret)
268 goto fail_remove_tx_buf;
269 hdr = (void *)skb->data;
270 eapol_encap_done = true;
271 } else {
272 ti.flags0 |= u32_encode_bits(1,
273 HAL_TCL_DATA_CMD_INFO2_TO_FW);
274 ti.encap_type = HAL_TCL_ENCAP_TYPE_RAW;
275 ti.encrypt_type =
276 ath12k_dp_tx_get_encrypt_type(skb_cb->cipher);
277 }
278 }
279 /* Firmware expects msdu ext descriptor for nwifi/raw packets
280 * received in ETH mode. Without this, observed tx fail for
281 * Multicast packets in ETH mode.
282 */
283 msdu_ext_desc = true;
284 } else {
285 ath12k_dp_tx_encap_nwifi(skb);
286 }
287 break;
288 case HAL_TCL_ENCAP_TYPE_RAW:
289 if (!test_bit(ATH12K_FLAG_RAW_MODE, &ab->dev_flags)) {
290 ret = -EINVAL;
291 goto fail_remove_tx_buf;
292 }
293 break;
294 case HAL_TCL_ENCAP_TYPE_ETHERNET:
295 /* no need to encap */
296 break;
297 case HAL_TCL_ENCAP_TYPE_802_3:
298 default:
299 /* TODO: Take care of other encap modes as well */
300 ret = -EINVAL;
301 atomic_inc(&dp->device_stats.tx_err.misc_fail);
302 goto fail_remove_tx_buf;
303 }
304
305 if (iova_mask &&
306 (unsigned long)skb->data & iova_mask) {
307 ret = ath12k_dp_tx_align_payload(dp, &skb);
308 if (ret) {
309 ath12k_warn(ab, "failed to align TX buffer %d\n", ret);
310 /* don't bail out, give original buffer
311 * a chance even unaligned.
312 */
313 goto map;
314 }
315
316 /* hdr is pointing to a wrong place after alignment,
317 * so refresh it for later use.
318 */
319 hdr = (void *)skb->data;
320 }
321 map:
322 ti.paddr = dma_map_single(dp->dev, skb->data, skb->len, DMA_TO_DEVICE);
323 if (dma_mapping_error(dp->dev, ti.paddr)) {
324 atomic_inc(&dp->device_stats.tx_err.misc_fail);
325 ath12k_warn(ab, "failed to DMA map data Tx buffer\n");
326 ret = -ENOMEM;
327 goto fail_remove_tx_buf;
328 }
329
330 if ((!test_bit(ATH12K_FLAG_HW_CRYPTO_DISABLED, &ab->dev_flags) &&
331 !(skb_cb->flags & ATH12K_SKB_HW_80211_ENCAP) &&
332 !(skb_cb->flags & ATH12K_SKB_CIPHER_SET) &&
333 ieee80211_has_protected(hdr->frame_control)) ||
334 is_diff_encap) {
335 /* Firmware is not expecting meta data for qos null
336 * nwifi packet received in ETH encap mode.
337 */
338 if (is_null_frame && msdu_ext_desc)
339 goto skip_htt_meta;
340
341 /* Add metadata for sw encrypted vlan group traffic
342 * and EAPOL nwifi packet received in ETH encap mode.
343 */
344 add_htt_metadata = true;
345 msdu_ext_desc = true;
346 ti.meta_data_flags |= HTT_TCL_META_DATA_VALID_HTT;
347 skip_htt_meta:
348 ti.flags0 |= u32_encode_bits(1, HAL_TCL_DATA_CMD_INFO2_TO_FW);
349 ti.encap_type = HAL_TCL_ENCAP_TYPE_RAW;
350 ti.encrypt_type = HAL_ENCRYPT_TYPE_OPEN;
351 }
352
353 tx_desc->skb = skb;
354 tx_desc->mac_id = dp_link_vif->pdev_idx;
355 ti.desc_id = tx_desc->desc_id;
356 ti.data_len = skb->len;
357 skb_cb->paddr = ti.paddr;
358
359 if (msdu_ext_desc) {
360 skb_ext_desc = dev_alloc_skb(sizeof(struct hal_tx_msdu_ext_desc));
361 if (!skb_ext_desc) {
362 ret = -ENOMEM;
363 goto fail_unmap_dma;
364 }
365
366 skb_put(skb_ext_desc, sizeof(struct hal_tx_msdu_ext_desc));
367 memset(skb_ext_desc->data, 0, skb_ext_desc->len);
368
369 msg = (struct hal_tx_msdu_ext_desc *)skb_ext_desc->data;
370 ath12k_wifi7_hal_tx_cmd_ext_desc_setup(ab, msg, &ti);
371
372 if (add_htt_metadata) {
373 ret = ath12k_wifi7_dp_prepare_htt_metadata(skb_ext_desc);
374 if (ret < 0) {
375 ath12k_dbg(ab, ATH12K_DBG_DP_TX,
376 "Failed to add HTT meta data, dropping packet\n");
377 goto fail_free_ext_skb;
378 }
379 }
380
381 ti.paddr = dma_map_single(dp->dev, skb_ext_desc->data,
382 skb_ext_desc->len, DMA_TO_DEVICE);
383 ret = dma_mapping_error(dp->dev, ti.paddr);
384 if (ret)
385 goto fail_free_ext_skb;
386
387 ti.data_len = skb_ext_desc->len;
388 ti.type = HAL_TCL_DESC_TYPE_EXT_DESC;
389
390 skb_cb->paddr_ext_desc = ti.paddr;
391 tx_desc->skb_ext_desc = skb_ext_desc;
392 }
393
394 hal_ring_id = tx_ring->tcl_data_ring.ring_id;
395 tcl_ring = &hal->srng_list[hal_ring_id];
396
397 spin_lock_bh(&tcl_ring->lock);
398
399 ath12k_hal_srng_access_begin(ab, tcl_ring);
400
401 hal_tcl_desc = ath12k_hal_srng_src_get_next_entry(ab, tcl_ring);
402 if (!hal_tcl_desc) {
403 /* NOTE: It is highly unlikely we'll be running out of tcl_ring
404 * desc because the desc is directly enqueued onto hw queue.
405 */
406 ath12k_hal_srng_access_end(ab, tcl_ring);
407 dp->device_stats.tx_err.desc_na[ti.ring_id]++;
408 spin_unlock_bh(&tcl_ring->lock);
409 ret = -ENOMEM;
410
411 /* Checking for available tcl descriptors in another ring in
412 * case of failure due to full tcl ring now, is better than
413 * checking this ring earlier for each pkt tx.
414 * Restart ring selection if some rings are not checked yet.
415 */
416 if (ring_map != (BIT(dp->hw_params->max_tx_ring) - 1) &&
417 dp->hw_params->tcl_ring_retry) {
418 tcl_ring_retry = true;
419 ring_selector++;
420 }
421
422 goto fail_unmap_dma_ext;
423 }
424
425 spin_lock_bh(&arvif->link_stats_lock);
426 arvif->link_stats.tx_encap_type[ti.encap_type]++;
427 arvif->link_stats.tx_encrypt_type[ti.encrypt_type]++;
428 arvif->link_stats.tx_desc_type[ti.type]++;
429
430 if (is_mcast)
431 arvif->link_stats.tx_bcast_mcast++;
432 else
433 arvif->link_stats.tx_enqueued++;
434 spin_unlock_bh(&arvif->link_stats_lock);
435
436 dp->device_stats.tx_enqueued[ti.ring_id]++;
437
438 ath12k_wifi7_hal_tx_cmd_desc_setup(ab, hal_tcl_desc, &ti);
439
440 ath12k_hal_srng_access_end(ab, tcl_ring);
441
442 spin_unlock_bh(&tcl_ring->lock);
443
444 ath12k_dbg_dump(ab, ATH12K_DBG_DP_TX, NULL, "dp tx msdu: ",
445 skb->data, skb->len);
446
447 atomic_inc(&dp_pdev->num_tx_pending);
448
449 return 0;
450
451 fail_unmap_dma_ext:
452 if (skb_cb->paddr_ext_desc)
453 dma_unmap_single(dp->dev, skb_cb->paddr_ext_desc,
454 skb_ext_desc->len,
455 DMA_TO_DEVICE);
456 fail_free_ext_skb:
457 kfree_skb(skb_ext_desc);
458
459 fail_unmap_dma:
460 dma_unmap_single(dp->dev, ti.paddr, ti.data_len, DMA_TO_DEVICE);
461
462 fail_remove_tx_buf:
463 ath12k_dp_tx_release_txbuf(dp, tx_desc, pool_id);
464
465 spin_lock_bh(&arvif->link_stats_lock);
466 arvif->link_stats.tx_dropped++;
467 spin_unlock_bh(&arvif->link_stats_lock);
468
469 if (tcl_ring_retry)
470 goto tcl_ring_sel;
471
472 return ret;
473 }
474
475 static void
ath12k_dp_tx_htt_tx_complete_buf(struct ath12k_dp * dp,struct ath12k_tx_desc_params * desc_params,struct dp_tx_ring * tx_ring,struct ath12k_dp_htt_wbm_tx_status * ts,u16 peer_id)476 ath12k_dp_tx_htt_tx_complete_buf(struct ath12k_dp *dp,
477 struct ath12k_tx_desc_params *desc_params,
478 struct dp_tx_ring *tx_ring,
479 struct ath12k_dp_htt_wbm_tx_status *ts,
480 u16 peer_id)
481 {
482 struct ath12k_base *ab = dp->ab;
483 struct ieee80211_tx_info *info;
484 struct ath12k_link_vif *arvif;
485 struct ath12k_skb_cb *skb_cb;
486 struct ieee80211_vif *vif;
487 struct ath12k_vif *ahvif;
488 struct sk_buff *msdu = desc_params->skb;
489 s32 noise_floor;
490 struct ieee80211_tx_status status = {};
491 struct ath12k_dp_link_peer *peer;
492 struct ath12k_pdev_dp *dp_pdev;
493 u8 pdev_id;
494
495 skb_cb = ATH12K_SKB_CB(msdu);
496 info = IEEE80211_SKB_CB(msdu);
497
498 pdev_id = ath12k_hw_mac_id_to_pdev_id(dp->hw_params, desc_params->mac_id);
499
500 rcu_read_lock();
501 dp_pdev = ath12k_dp_to_pdev_dp(dp, pdev_id);
502 if (!dp_pdev) {
503 rcu_read_unlock();
504 return;
505 }
506
507 dp->device_stats.tx_completed[tx_ring->tcl_data_ring_id]++;
508
509 if (atomic_dec_and_test(&dp_pdev->num_tx_pending))
510 wake_up(&dp_pdev->tx_empty_waitq);
511
512 dma_unmap_single(dp->dev, skb_cb->paddr, msdu->len, DMA_TO_DEVICE);
513 if (skb_cb->paddr_ext_desc) {
514 dma_unmap_single(dp->dev, skb_cb->paddr_ext_desc,
515 desc_params->skb_ext_desc->len, DMA_TO_DEVICE);
516 dev_kfree_skb_any(desc_params->skb_ext_desc);
517 }
518
519 vif = skb_cb->vif;
520 if (vif) {
521 ahvif = ath12k_vif_to_ahvif(vif);
522 arvif = rcu_dereference(ahvif->link[skb_cb->link_id]);
523 if (arvif) {
524 spin_lock_bh(&arvif->link_stats_lock);
525 arvif->link_stats.tx_completed++;
526 spin_unlock_bh(&arvif->link_stats_lock);
527 }
528 }
529
530 memset(&info->status, 0, sizeof(info->status));
531
532 if (ts->acked) {
533 if (!(info->flags & IEEE80211_TX_CTL_NO_ACK)) {
534 info->flags |= IEEE80211_TX_STAT_ACK;
535 info->status.ack_signal = ts->ack_rssi;
536
537 if (!test_bit(WMI_TLV_SERVICE_HW_DB2DBM_CONVERSION_SUPPORT,
538 ab->wmi_ab.svc_map)) {
539 struct ath12k *ar = ath12k_pdev_dp_to_ar(dp_pdev);
540
541 spin_lock_bh(&ar->data_lock);
542 noise_floor = ath12k_pdev_get_noise_floor(ar);
543 spin_unlock_bh(&ar->data_lock);
544
545 info->status.ack_signal += noise_floor;
546 }
547
548 info->status.flags = IEEE80211_TX_STATUS_ACK_SIGNAL_VALID;
549 } else {
550 info->flags |= IEEE80211_TX_STAT_NOACK_TRANSMITTED;
551 }
552 }
553
554 peer = ath12k_dp_link_peer_find_by_peerid(dp_pdev, peer_id);
555 if (!peer || !peer->sta) {
556 ath12k_dbg(ab, ATH12K_DBG_DATA,
557 "dp_tx: failed to find the peer with peer_id %d\n", peer_id);
558 ieee80211_free_txskb(ath12k_pdev_dp_to_hw(dp_pdev), msdu);
559 goto exit;
560 } else {
561 status.sta = peer->sta;
562 }
563
564 status.info = info;
565 status.skb = msdu;
566 ieee80211_tx_status_ext(ath12k_pdev_dp_to_hw(dp_pdev), &status);
567 exit:
568 rcu_read_unlock();
569 }
570
571 static void
ath12k_dp_tx_process_htt_tx_complete(struct ath12k_dp * dp,void * desc,struct dp_tx_ring * tx_ring,struct ath12k_tx_desc_params * desc_params)572 ath12k_dp_tx_process_htt_tx_complete(struct ath12k_dp *dp, void *desc,
573 struct dp_tx_ring *tx_ring,
574 struct ath12k_tx_desc_params *desc_params)
575 {
576 struct htt_tx_wbm_completion *status_desc;
577 struct ath12k_dp_htt_wbm_tx_status ts = {};
578 enum hal_wbm_htt_tx_comp_status wbm_status;
579 u16 peer_id;
580
581 status_desc = desc;
582
583 wbm_status = le32_get_bits(status_desc->info0,
584 HTT_TX_WBM_COMP_INFO0_STATUS);
585 dp->device_stats.fw_tx_status[wbm_status]++;
586
587 switch (wbm_status) {
588 case HAL_WBM_REL_HTT_TX_COMP_STATUS_OK:
589 ts.acked = (wbm_status == HAL_WBM_REL_HTT_TX_COMP_STATUS_OK);
590 ts.ack_rssi = le32_get_bits(status_desc->info2,
591 HTT_TX_WBM_COMP_INFO2_ACK_RSSI);
592
593 peer_id = le32_get_bits(((struct hal_wbm_completion_ring_tx *)desc)->
594 info3, HAL_WBM_COMPL_TX_INFO3_PEER_ID);
595
596 ath12k_dp_tx_htt_tx_complete_buf(dp, desc_params, tx_ring, &ts, peer_id);
597 break;
598 case HAL_WBM_REL_HTT_TX_COMP_STATUS_DROP:
599 case HAL_WBM_REL_HTT_TX_COMP_STATUS_TTL:
600 case HAL_WBM_REL_HTT_TX_COMP_STATUS_REINJ:
601 case HAL_WBM_REL_HTT_TX_COMP_STATUS_INSPECT:
602 case HAL_WBM_REL_HTT_TX_COMP_STATUS_VDEVID_MISMATCH:
603 ath12k_dp_tx_free_txbuf(dp, tx_ring, desc_params);
604 break;
605 case HAL_WBM_REL_HTT_TX_COMP_STATUS_MEC_NOTIFY:
606 /* This event is to be handled only when the driver decides to
607 * use WDS offload functionality.
608 */
609 break;
610 default:
611 ath12k_warn(dp->ab, "Unknown htt wbm tx status %d\n", wbm_status);
612 break;
613 }
614 }
615
ath12k_wifi7_dp_tx_update_txcompl(struct ath12k_pdev_dp * dp_pdev,struct hal_tx_status * ts)616 static void ath12k_wifi7_dp_tx_update_txcompl(struct ath12k_pdev_dp *dp_pdev,
617 struct hal_tx_status *ts)
618 {
619 struct ath12k_dp *dp = dp_pdev->dp;
620 struct ath12k_dp_link_peer *peer;
621 struct ath12k_link_sta *arsta;
622 struct rate_info txrate = {};
623 struct ieee80211_sta *sta;
624 struct ath12k_sta *ahsta;
625 u16 rate, ru_tones;
626 u8 rate_idx = 0;
627 int ret;
628
629 peer = ath12k_dp_link_peer_find_by_peerid(dp_pdev, ts->peer_id);
630 if (!peer || !peer->sta) {
631 ath12k_dbg(dp->ab, ATH12K_DBG_DP_TX,
632 "failed to find the peer by id %u\n", ts->peer_id);
633 return;
634 }
635
636 spin_lock_bh(&dp->dp_lock);
637
638 sta = peer->sta;
639 ahsta = ath12k_sta_to_ahsta(sta);
640 arsta = &ahsta->deflink;
641
642 spin_unlock_bh(&dp->dp_lock);
643
644 /* This is to prefer choose the real NSS value arsta->last_txrate.nss,
645 * if it is invalid, then choose the NSS value while assoc.
646 */
647 if (peer->last_txrate.nss)
648 txrate.nss = peer->last_txrate.nss;
649 else
650 txrate.nss = arsta->peer_nss;
651
652 switch (ts->pkt_type) {
653 case HAL_TX_RATE_STATS_PKT_TYPE_11A:
654 case HAL_TX_RATE_STATS_PKT_TYPE_11B:
655 ret = ath12k_mac_hw_ratecode_to_legacy_rate(ts->mcs,
656 ts->pkt_type,
657 &rate_idx,
658 &rate);
659 if (ret < 0) {
660 ath12k_warn(dp->ab, "Invalid tx legacy rate %d\n", ret);
661 return;
662 }
663
664 txrate.legacy = rate;
665 break;
666 case HAL_TX_RATE_STATS_PKT_TYPE_11N:
667 if (ts->mcs > ATH12K_HT_MCS_MAX) {
668 ath12k_warn(dp->ab, "Invalid HT mcs index %d\n", ts->mcs);
669 return;
670 }
671
672 if (txrate.nss != 0)
673 txrate.mcs = ts->mcs + 8 * (txrate.nss - 1);
674
675 txrate.flags = RATE_INFO_FLAGS_MCS;
676
677 if (ts->sgi)
678 txrate.flags |= RATE_INFO_FLAGS_SHORT_GI;
679 break;
680 case HAL_TX_RATE_STATS_PKT_TYPE_11AC:
681 if (ts->mcs > ATH12K_VHT_MCS_MAX) {
682 ath12k_warn(dp->ab, "Invalid VHT mcs index %d\n", ts->mcs);
683 return;
684 }
685
686 txrate.mcs = ts->mcs;
687 txrate.flags = RATE_INFO_FLAGS_VHT_MCS;
688
689 if (ts->sgi)
690 txrate.flags |= RATE_INFO_FLAGS_SHORT_GI;
691 break;
692 case HAL_TX_RATE_STATS_PKT_TYPE_11AX:
693 if (ts->mcs > ATH12K_HE_MCS_MAX) {
694 ath12k_warn(dp->ab, "Invalid HE mcs index %d\n", ts->mcs);
695 return;
696 }
697
698 txrate.mcs = ts->mcs;
699 txrate.flags = RATE_INFO_FLAGS_HE_MCS;
700 txrate.he_gi = ath12k_he_gi_to_nl80211_he_gi(ts->sgi);
701 break;
702 case HAL_TX_RATE_STATS_PKT_TYPE_11BE:
703 if (ts->mcs > ATH12K_EHT_MCS_MAX) {
704 ath12k_warn(dp->ab, "Invalid EHT mcs index %d\n", ts->mcs);
705 return;
706 }
707
708 txrate.mcs = ts->mcs;
709 txrate.flags = RATE_INFO_FLAGS_EHT_MCS;
710 txrate.eht_gi = ath12k_mac_eht_gi_to_nl80211_eht_gi(ts->sgi);
711 break;
712 default:
713 ath12k_warn(dp->ab, "Invalid tx pkt type: %d\n", ts->pkt_type);
714 return;
715 }
716
717 txrate.bw = ath12k_mac_bw_to_mac80211_bw(ts->bw);
718
719 if (ts->ofdma && ts->pkt_type == HAL_TX_RATE_STATS_PKT_TYPE_11AX) {
720 txrate.bw = RATE_INFO_BW_HE_RU;
721 ru_tones = ath12k_mac_he_convert_tones_to_ru_tones(ts->tones);
722 txrate.he_ru_alloc =
723 ath12k_he_ru_tones_to_nl80211_he_ru_alloc(ru_tones);
724 }
725
726 if (ts->ofdma && ts->pkt_type == HAL_TX_RATE_STATS_PKT_TYPE_11BE) {
727 txrate.bw = RATE_INFO_BW_EHT_RU;
728 txrate.eht_ru_alloc =
729 ath12k_mac_eht_ru_tones_to_nl80211_eht_ru_alloc(ts->tones);
730 }
731
732 spin_lock_bh(&dp->dp_lock);
733 peer->txrate = txrate;
734 spin_unlock_bh(&dp->dp_lock);
735 }
736
ath12k_wifi7_dp_tx_complete_msdu(struct ath12k_pdev_dp * dp_pdev,struct ath12k_tx_desc_params * desc_params,struct hal_tx_status * ts,int ring)737 static void ath12k_wifi7_dp_tx_complete_msdu(struct ath12k_pdev_dp *dp_pdev,
738 struct ath12k_tx_desc_params *desc_params,
739 struct hal_tx_status *ts,
740 int ring)
741 {
742 struct ath12k_dp *dp = dp_pdev->dp;
743 struct ath12k_base *ab = dp->ab;
744 struct ieee80211_tx_info *info;
745 struct ath12k_link_vif *arvif;
746 struct ath12k_skb_cb *skb_cb;
747 struct ieee80211_vif *vif;
748 struct ath12k_vif *ahvif;
749 struct sk_buff *msdu = desc_params->skb;
750 s32 noise_floor;
751 struct ieee80211_tx_status status = {};
752 struct ieee80211_rate_status status_rate = {};
753 struct ath12k_dp_link_peer *peer;
754 struct rate_info rate;
755
756 if (WARN_ON_ONCE(ts->buf_rel_source != HAL_WBM_REL_SRC_MODULE_TQM)) {
757 /* Must not happen */
758 return;
759 }
760
761 skb_cb = ATH12K_SKB_CB(msdu);
762 dp->device_stats.tx_completed[ring]++;
763
764 dma_unmap_single(dp->dev, skb_cb->paddr, msdu->len, DMA_TO_DEVICE);
765 if (skb_cb->paddr_ext_desc) {
766 dma_unmap_single(dp->dev, skb_cb->paddr_ext_desc,
767 desc_params->skb_ext_desc->len, DMA_TO_DEVICE);
768 dev_kfree_skb_any(desc_params->skb_ext_desc);
769 }
770
771 rcu_read_lock();
772
773 if (!rcu_dereference(ab->pdevs_active[dp_pdev->mac_id])) {
774 ieee80211_free_txskb(ath12k_pdev_dp_to_hw(dp_pdev), msdu);
775 goto exit;
776 }
777
778 if (!skb_cb->vif) {
779 ieee80211_free_txskb(ath12k_pdev_dp_to_hw(dp_pdev), msdu);
780 goto exit;
781 }
782
783 vif = skb_cb->vif;
784 if (vif) {
785 ahvif = ath12k_vif_to_ahvif(vif);
786 arvif = rcu_dereference(ahvif->link[skb_cb->link_id]);
787 if (arvif) {
788 spin_lock_bh(&arvif->link_stats_lock);
789 arvif->link_stats.tx_completed++;
790 spin_unlock_bh(&arvif->link_stats_lock);
791 }
792 }
793
794 info = IEEE80211_SKB_CB(msdu);
795 memset(&info->status, 0, sizeof(info->status));
796
797 /* skip tx rate update from ieee80211_status*/
798 info->status.rates[0].idx = -1;
799
800 switch (ts->status) {
801 case HAL_WBM_TQM_REL_REASON_FRAME_ACKED:
802 if (!(info->flags & IEEE80211_TX_CTL_NO_ACK)) {
803 info->flags |= IEEE80211_TX_STAT_ACK;
804 info->status.ack_signal = ts->ack_rssi;
805
806 if (!test_bit(WMI_TLV_SERVICE_HW_DB2DBM_CONVERSION_SUPPORT,
807 ab->wmi_ab.svc_map)) {
808 struct ath12k *ar = ath12k_pdev_dp_to_ar(dp_pdev);
809
810 spin_lock_bh(&ar->data_lock);
811 noise_floor = ath12k_pdev_get_noise_floor(ar);
812 spin_unlock_bh(&ar->data_lock);
813
814 info->status.ack_signal += noise_floor;
815 }
816
817 info->status.flags = IEEE80211_TX_STATUS_ACK_SIGNAL_VALID;
818 }
819 break;
820 case HAL_WBM_TQM_REL_REASON_CMD_REMOVE_TX:
821 if (info->flags & IEEE80211_TX_CTL_NO_ACK) {
822 info->flags |= IEEE80211_TX_STAT_NOACK_TRANSMITTED;
823 break;
824 }
825 fallthrough;
826 case HAL_WBM_TQM_REL_REASON_CMD_REMOVE_MPDU:
827 case HAL_WBM_TQM_REL_REASON_DROP_THRESHOLD:
828 case HAL_WBM_TQM_REL_REASON_CMD_REMOVE_AGED_FRAMES:
829 /* The failure status is due to internal firmware tx failure
830 * hence drop the frame; do not update the status of frame to
831 * the upper layer
832 */
833 ieee80211_free_txskb(ath12k_pdev_dp_to_hw(dp_pdev), msdu);
834 goto exit;
835 default:
836 ath12k_dbg(ab, ATH12K_DBG_DP_TX, "tx frame is not acked status %d\n",
837 ts->status);
838 break;
839 }
840
841 /* NOTE: Tx rate status reporting. Tx completion status does not have
842 * necessary information (for example nss) to build the tx rate.
843 * Might end up reporting it out-of-band from HTT stats.
844 */
845
846 ath12k_wifi7_dp_tx_update_txcompl(dp_pdev, ts);
847
848 peer = ath12k_dp_link_peer_find_by_peerid(dp_pdev, ts->peer_id);
849 if (!peer || !peer->sta) {
850 ath12k_err(ab,
851 "dp_tx: failed to find the peer with peer_id %d\n",
852 ts->peer_id);
853 ieee80211_free_txskb(ath12k_pdev_dp_to_hw(dp_pdev), msdu);
854 goto exit;
855 }
856
857 status.sta = peer->sta;
858 status.info = info;
859 status.skb = msdu;
860 rate = peer->last_txrate;
861
862 status_rate.rate_idx = rate;
863 status_rate.try_count = 1;
864
865 status.rates = &status_rate;
866 status.n_rates = 1;
867 ieee80211_tx_status_ext(ath12k_pdev_dp_to_hw(dp_pdev), &status);
868
869 exit:
870 rcu_read_unlock();
871 }
872
873 static void
ath12k_wifi7_dp_tx_status_parse(struct ath12k_dp * dp,struct hal_wbm_completion_ring_tx * desc,struct hal_tx_status * ts)874 ath12k_wifi7_dp_tx_status_parse(struct ath12k_dp *dp,
875 struct hal_wbm_completion_ring_tx *desc,
876 struct hal_tx_status *ts)
877 {
878 u32 info0 = le32_to_cpu(desc->rate_stats.info0);
879
880 ts->buf_rel_source =
881 le32_get_bits(desc->info0, HAL_WBM_COMPL_TX_INFO0_REL_SRC_MODULE);
882 if (ts->buf_rel_source != HAL_WBM_REL_SRC_MODULE_FW &&
883 ts->buf_rel_source != HAL_WBM_REL_SRC_MODULE_TQM)
884 return;
885
886 if (ts->buf_rel_source == HAL_WBM_REL_SRC_MODULE_FW)
887 return;
888
889 ts->status = le32_get_bits(desc->info0,
890 HAL_WBM_COMPL_TX_INFO0_TQM_RELEASE_REASON);
891
892 ts->ppdu_id = le32_get_bits(desc->info1,
893 HAL_WBM_COMPL_TX_INFO1_TQM_STATUS_NUMBER);
894
895 ts->peer_id = le32_get_bits(desc->info3, HAL_WBM_COMPL_TX_INFO3_PEER_ID);
896
897 ts->ack_rssi = le32_get_bits(desc->info2,
898 HAL_WBM_COMPL_TX_INFO2_ACK_FRAME_RSSI);
899
900 if (info0 & HAL_TX_RATE_STATS_INFO0_VALID) {
901 ts->pkt_type = u32_get_bits(info0, HAL_TX_RATE_STATS_INFO0_PKT_TYPE);
902 ts->mcs = u32_get_bits(info0, HAL_TX_RATE_STATS_INFO0_MCS);
903 ts->sgi = u32_get_bits(info0, HAL_TX_RATE_STATS_INFO0_SGI);
904 ts->bw = u32_get_bits(info0, HAL_TX_RATE_STATS_INFO0_BW);
905 ts->tones = u32_get_bits(info0, HAL_TX_RATE_STATS_INFO0_TONES_IN_RU);
906 ts->ofdma = u32_get_bits(info0, HAL_TX_RATE_STATS_INFO0_OFDMA_TX);
907 }
908 }
909
ath12k_wifi7_dp_tx_completion_handler(struct ath12k_dp * dp,int ring_id)910 void ath12k_wifi7_dp_tx_completion_handler(struct ath12k_dp *dp, int ring_id)
911 {
912 struct ath12k_base *ab = dp->ab;
913 struct ath12k_pdev_dp *dp_pdev;
914 int hal_ring_id = dp->tx_ring[ring_id].tcl_comp_ring.ring_id;
915 struct hal_srng *status_ring = &dp->hal->srng_list[hal_ring_id];
916 struct ath12k_tx_desc_info *tx_desc = NULL;
917 struct hal_tx_status ts = {};
918 struct ath12k_tx_desc_params desc_params;
919 struct dp_tx_ring *tx_ring = &dp->tx_ring[ring_id];
920 struct hal_wbm_release_ring *desc;
921 u8 pdev_idx;
922 u64 desc_va;
923 enum hal_wbm_rel_src_module buf_rel_source;
924 enum hal_wbm_tqm_rel_reason rel_status;
925
926 spin_lock_bh(&status_ring->lock);
927
928 ath12k_hal_srng_access_begin(ab, status_ring);
929
930 while (ATH12K_TX_COMPL_NEXT(ab, tx_ring->tx_status_head) !=
931 tx_ring->tx_status_tail) {
932 desc = ath12k_hal_srng_dst_get_next_entry(ab, status_ring);
933 if (!desc)
934 break;
935
936 memcpy(&tx_ring->tx_status[tx_ring->tx_status_head],
937 desc, sizeof(*desc));
938 tx_ring->tx_status_head =
939 ATH12K_TX_COMPL_NEXT(ab, tx_ring->tx_status_head);
940 }
941
942 if (ath12k_hal_srng_dst_peek(ab, status_ring) &&
943 (ATH12K_TX_COMPL_NEXT(ab, tx_ring->tx_status_head) ==
944 tx_ring->tx_status_tail)) {
945 /* TODO: Process pending tx_status messages when kfifo_is_full() */
946 ath12k_warn(ab, "Unable to process some of the tx_status ring desc because status_fifo is full\n");
947 }
948
949 ath12k_hal_srng_access_end(ab, status_ring);
950
951 spin_unlock_bh(&status_ring->lock);
952
953 while (ATH12K_TX_COMPL_NEXT(ab, tx_ring->tx_status_tail) !=
954 tx_ring->tx_status_head) {
955 struct hal_wbm_completion_ring_tx *tx_status;
956 u32 desc_id;
957
958 tx_ring->tx_status_tail =
959 ATH12K_TX_COMPL_NEXT(ab, tx_ring->tx_status_tail);
960 tx_status = &tx_ring->tx_status[tx_ring->tx_status_tail];
961 ath12k_wifi7_dp_tx_status_parse(dp, tx_status, &ts);
962
963 if (le32_get_bits(tx_status->info0, HAL_WBM_COMPL_TX_INFO0_CC_DONE)) {
964 /* HW done cookie conversion */
965 desc_va = ((u64)le32_to_cpu(tx_status->buf_va_hi) << 32 |
966 le32_to_cpu(tx_status->buf_va_lo));
967 tx_desc = (struct ath12k_tx_desc_info *)((unsigned long)desc_va);
968 } else {
969 /* SW does cookie conversion to VA */
970 desc_id = le32_get_bits(tx_status->buf_va_hi,
971 BUFFER_ADDR_INFO1_SW_COOKIE);
972
973 tx_desc = ath12k_dp_get_tx_desc(dp, desc_id);
974 }
975 if (!tx_desc) {
976 ath12k_warn(ab, "unable to retrieve tx_desc!");
977 continue;
978 }
979
980 desc_params.mac_id = tx_desc->mac_id;
981 desc_params.skb = tx_desc->skb;
982 desc_params.skb_ext_desc = tx_desc->skb_ext_desc;
983
984 /* Find the HAL_WBM_RELEASE_INFO0_REL_SRC_MODULE value */
985 buf_rel_source = le32_get_bits(tx_status->info0,
986 HAL_WBM_RELEASE_INFO0_REL_SRC_MODULE);
987 dp->device_stats.tx_wbm_rel_source[buf_rel_source]++;
988
989 rel_status = le32_get_bits(tx_status->info0,
990 HAL_WBM_COMPL_TX_INFO0_TQM_RELEASE_REASON);
991 dp->device_stats.tqm_rel_reason[rel_status]++;
992
993 /* Release descriptor as soon as extracting necessary info
994 * to reduce contention
995 */
996 ath12k_dp_tx_release_txbuf(dp, tx_desc, tx_desc->pool_id);
997 if (ts.buf_rel_source == HAL_WBM_REL_SRC_MODULE_FW) {
998 ath12k_dp_tx_process_htt_tx_complete(dp, (void *)tx_status,
999 tx_ring, &desc_params);
1000 continue;
1001 }
1002
1003 pdev_idx = ath12k_hw_mac_id_to_pdev_id(dp->hw_params, desc_params.mac_id);
1004
1005 rcu_read_lock();
1006
1007 dp_pdev = ath12k_dp_to_pdev_dp(dp, pdev_idx);
1008 if (!dp_pdev) {
1009 rcu_read_unlock();
1010 continue;
1011 }
1012
1013 if (atomic_dec_and_test(&dp_pdev->num_tx_pending))
1014 wake_up(&dp_pdev->tx_empty_waitq);
1015
1016 ath12k_wifi7_dp_tx_complete_msdu(dp_pdev, &desc_params, &ts,
1017 tx_ring->tcl_data_ring_id);
1018 rcu_read_unlock();
1019 }
1020 }
1021
ath12k_wifi7_dp_tx_get_vdev_bank_config(struct ath12k_base * ab,struct ath12k_link_vif * arvif)1022 u32 ath12k_wifi7_dp_tx_get_vdev_bank_config(struct ath12k_base *ab,
1023 struct ath12k_link_vif *arvif)
1024 {
1025 u32 bank_config = 0;
1026 u8 link_id = arvif->link_id;
1027 struct ath12k_vif *ahvif = arvif->ahvif;
1028 struct ath12k_dp_vif *dp_vif = &ahvif->dp_vif;
1029 struct ath12k_dp_link_vif *dp_link_vif;
1030
1031 dp_link_vif = ath12k_dp_vif_to_dp_link_vif(dp_vif, link_id);
1032
1033 /* Only valid for raw frames with HW crypto enabled.
1034 * With SW crypto, mac80211 sets key per packet
1035 */
1036 if (dp_vif->tx_encap_type == HAL_TCL_ENCAP_TYPE_RAW &&
1037 test_bit(ATH12K_FLAG_HW_CRYPTO_DISABLED, &ab->dev_flags))
1038 bank_config |=
1039 u32_encode_bits(ath12k_dp_tx_get_encrypt_type(dp_vif->key_cipher),
1040 HAL_TX_BANK_CONFIG_ENCRYPT_TYPE);
1041
1042 bank_config |= u32_encode_bits(dp_vif->tx_encap_type,
1043 HAL_TX_BANK_CONFIG_ENCAP_TYPE);
1044 bank_config |= u32_encode_bits(0, HAL_TX_BANK_CONFIG_SRC_BUFFER_SWAP) |
1045 u32_encode_bits(0, HAL_TX_BANK_CONFIG_LINK_META_SWAP) |
1046 u32_encode_bits(0, HAL_TX_BANK_CONFIG_EPD);
1047
1048 /* only valid if idx_lookup_override is not set in tcl_data_cmd */
1049 if (ahvif->vdev_type == WMI_VDEV_TYPE_STA)
1050 bank_config |= u32_encode_bits(1, HAL_TX_BANK_CONFIG_INDEX_LOOKUP_EN);
1051 else
1052 bank_config |= u32_encode_bits(0, HAL_TX_BANK_CONFIG_INDEX_LOOKUP_EN);
1053
1054 bank_config |= u32_encode_bits(dp_link_vif->hal_addr_search_flags &
1055 HAL_TX_ADDRX_EN,
1056 HAL_TX_BANK_CONFIG_ADDRX_EN) |
1057 u32_encode_bits(!!(dp_link_vif->hal_addr_search_flags &
1058 HAL_TX_ADDRY_EN),
1059 HAL_TX_BANK_CONFIG_ADDRY_EN);
1060
1061 bank_config |= u32_encode_bits(ieee80211_vif_is_mesh(ahvif->vif) ? 3 : 0,
1062 HAL_TX_BANK_CONFIG_MESH_EN) |
1063 u32_encode_bits(dp_link_vif->vdev_id_check_en,
1064 HAL_TX_BANK_CONFIG_VDEV_ID_CHECK_EN);
1065
1066 bank_config |= u32_encode_bits(0, HAL_TX_BANK_CONFIG_DSCP_TIP_MAP_ID);
1067
1068 return bank_config;
1069 }
1070